Analysis of Some Heavy Metals in Cow Skin (Ponmo) Sold at Major Markets in Ado-Odo/Ota LGA, Ogun State, Nigeria: doi.org/10.26538/tjnpr/v5i6.3. Trop J Nat Prod Res [Internet]. 2021 Jun. 1 [cited 2026 Jan. 2];5(6):1006-9. Available from: https://www.tjnpr.org/index.php/home/article/view/567